题目内容

2.Science can't explain the power of pets,but many studies have shown that the company of pets can help lower blood pressure (血压) and raise chances of recovering from a heart attack,reduce loneliness and spread all-round good cheer.
Any owner will tell you how much joy a pet brings.For some,an animal provides more comfort than a husband/wife.A 2002study by Karen Allen of the State University of New York measured stress (紧张) levels and blood pressure in people-half of them pet owners-while they performed 5minutes of mental arithmetic (算术) or held a hand in ice water.Subjects completed the tasks alone,with a husband/wife,a close friend or with a pet.People with pets did it best.Those tested with their animal friends had smaller change in blood pressure and returned most quickly to baseline heart rates.With pets in the room,people also made fewer math mistakes than when doing in front of other companions.It seems people feel more relaxed (放松)around pets,says Allen,who thinks it may be because pets don't judge.
A study reported last fall suggests that having a pet dog not only raises your spirits but may also have an effect on your eating habits.Researchers at Northwestern Memorial Hospital spent a year studying 36fat people and their equally fat dogs on diet-and-exercise programs; a separate group of 56people without pets were put on a diet program.On average,people lost about 11pounds,or 5% of their body weight.Their dogs did even better,losing an average of 12pounds,more than 15% of their body weight.Dog owners didn't lose any more weight than those without dogs but,say researchers,got more exercise overall-mostly with their dogs-and found it worth doing.
28.What does the text mainly discuss?A
A.What pets bring to their owners.
B.How pets help people calm down.
C.People's opinions of keeping pets.
D.Pet's value in medical research.
29.We learn from the text that a person with heart disease has a better chance of getting well ifA.
A.he has a pet companion
B.he has less stress of work
C.he often does mental arithmetic
D.he is taken care of by his family
30.According to Allen,why did the people do better with pets around when completing stressful tasks?C
A.They have lower blood pressure.
B.They become more patient.
C.They are less nervous.
D.They are in higher spirits.
31.The research mentioned in the last paragraph reports thatA.
A.people with dogs did more exercise
B.dogs lost the same weight as people did
C.dogs liked exercise much more than people did
D.people without dogs found the program unhelpful.

分析 本文是一篇科教类阅读.文章主要介绍了宠物对我们的影响.有宠物的陪伴可以帮助降低血压,提高心脏病恢复的机会,并且可以感到放松,拥有一只宠物可以改变你的饮食习惯,可以使你得到更多的训练.

解答 28-31 AACA
28.A.主旨大意题.纵览全文并根据"Science can't explain the power of pets,but many studies have shown that the company of pets can help lower blood pressure (血压) and raise chances of recovering from a heart attack,reduce loneliness and spread all-round good cheer."可知文章主要讲述了宠物给它们的主人带来的好处.故选A.
29.A.细节理解题.根据"but many studies have shown that the company of pets can help lower blood pressure (血压) and raise chances of recovering from a heart attack,reduce loneliness and spread all-round good cheer."可知患心脏病的人如果有一个宠物他就会有更好的机会获得健康.故选A.
30.C.细节理解题.根据"It seems people feel more relaxed (放松)around pets,says Allen,who thinks it may be because pets don't judge."可知面对压力时他们做的更好是因为他们没那么紧张.故选C.
31.A.推理判断题.根据"Dog owners didn't lose any more weight than those without dogs but,say researchers,got more exercise overall-mostly with their dogs-and found it worth doing."可知养狗的人会做更多的运动.故选A.

点评 本文是一篇科教类阅读.此类题型主要考查学生的细节理解和推理判断能力.细节理解题是针对文中某个细节、某句话或某部分具体内容设置问题,所以在做细节理解题时要结合原文和提干有针对性的找出相关语句进行仔细分析,再结合选项选出正确答案.在做推理判断题时不要以个人的主观想象代替文章的事实,要联系上下文根据文章事实进行合乎逻辑的推理判断.在做主旨大意题时考生首先要仔细阅读短文,完整了解信息,准确把握作者观点,确定主旨.

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